diff --git a/pkgs/development/python-modules/plantuml-markdown/default.nix b/pkgs/development/python-modules/plantuml-markdown/default.nix
index cd9872c9fd5f..b7e4c1ec34ca 100644
--- a/pkgs/development/python-modules/plantuml-markdown/default.nix
+++ b/pkgs/development/python-modules/plantuml-markdown/default.nix
@@ -14,7 +14,7 @@
 
 buildPythonPackage rec {
   pname = "plantuml-markdown";
-  version = "3.9.8";
+  version = "3.10.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -23,7 +23,7 @@ buildPythonPackage rec {
     owner = "mikitex70";
     repo = pname;
     rev = "refs/tags/${version}";
-    hash = "sha256-gBlHWAD8MIymCqtqxKRneScMztFzPStIMIO+IrHpgpc=";
+    hash = "sha256-t5OZ0n2TLQFaGievFWlYTXslP4yCvpQ3MyNQZ3/xYRs=";
   };
 
   propagatedBuildInputs = [